Measure the window and cut the mattress.
Bay window seat cushions diy.
Make the diagonal cuts.
Bay window cushion step 1.
Get a piece of foam that will serve as the inside of the cushion.
If you can sew a straight or somewhat straight line you can sew a cushion.
Look for a piece that is about 3inches thick and at least as long as your window seat bench.
The window seat in need of a cushion was a long bench in the curved opening of a bay window.
If you have a window seat kitchen banquette or other built in bench that could benefit from a cushion we re breaking down the process of sewing your own diy window seat cushion in this step by step how to video.
I used an ikea sultan mattress full size.
To get the best fit we decided to make one extra long bay window seat cushion with angled sides to match the shape of the bench.
Window seat cushions turned out to be one of those things that shocked me in terms of how expensive they are.
First you ll need to know the measurements of your window.
Here are some steps to follow to help you through the process.
The cheapest quote i got was over 200 excluding fabric the previous owners spent 600 on theirs.
Foam core mattress seems like the easiest way to.